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Hayward TriStar VS pool pump, 1.85 THP, matte grey housing with transparent strainer lid and digital control panel

Hayward

Hayward TriStar VS Variable-Speed Pool Pump 1.85 THP

SKU CH-KQ5B-BSJ65

Variable-speed pool pump with 1.85 THP motor and WEF ratings of 12.9 at 115V and 8.3 at 230V

  • TypePool Pump Motors
  • Energy-efficient operation with 12.9 WEF at 115V and 8.3 WEF at 230V
  • Replaces high-performance pumps up to 1.5 full-rate or 2.0 max-rate HP
  • Permanent magnet TEFC motor delivers reliable, efficient performance
  • No-rib strainer basket with see-through cover enables quick debris removal
  • Side and rear conduit entry supports both 115V and 230V connections

What the pump is and who it suits

The Hayward TriStar VS variable-speed pool pump delivers 1.85 total horsepower for residential swimming pools. Its permanent magnet, totally enclosed fan-cooled motor provides higher flow and circulation rates while running quieter than single-speed models. The fully programmable digital interface rotates to four positions or can be wall-mounted for convenient access. Pool owners seeking energy-efficient filtration and flexible scheduling will benefit from this design.

What to verify on your current system

The pump includes two bases with 2-inch and 2-1/2-inch threaded unions to retrofit most existing plumbing. Side and rear conduit entries accept both 115V and 230V connections, so confirm your supply voltage before wiring. Weighted Energy Factor ratings are 12.9 at 115V and 8.3 at 230V, indicating efficiency at either voltage. Ensure the controller location allows the rotating display to be read easily.

Behaviour during continuous operation

The permanent magnet TEFC motor maintains efficiency and reliability over long filtration cycles rather than short bursts. Advanced hydraulic design replaces most high-performance pumps rated up to 1.5 full-rate or 2.0 max-rate horsepower. The no-rib strainer basket with see-through cover simplifies debris removal during extended runs. Digital programming lets you set multiple speed and timer profiles for sustained, cost-effective circulation.

Highlights

  • Energy-efficient operation with 12.9 WEF at 115V and 8.3 WEF at 230V
  • Replaces high-performance pumps up to 1.5 full-rate or 2.0 max-rate HP
  • Permanent magnet TEFC motor delivers reliable, efficient performance
  • No-rib strainer basket with see-through cover enables quick debris removal
  • Side and rear conduit entry supports both 115V and 230V connections

Specifications

TypePool Pump Motors

Questions about this item

What comes in the box and what must I buy separately?

The pump includes two bases for 2" ID and 2-1/2" ID threaded unions, a no-rib strainer basket with see-through cover, and a rotating digital control interface. Plumbing fittings and electrical conduit are not included.

Which voltage version should I choose for my installation?

The pump supports both 115V and 230V connections via side and rear conduit entry. At 115V the Weighted Energy Factor is 12.9; at 230V it is 8.3. Select the voltage that matches your existing supply.

What does the 1.85 THP rating mean for actual flow and efficiency?

The 1.85 Total Horsepower motor replaces most high-performance pumps rated up to 1.5 full-rate or 2.0 max-rate HP. The permanent magnet TEFC design delivers higher flow and circulation rates with quieter operation.

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